./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive/Addition03-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/recursive/Addition03-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 20:34:52,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 20:34:52,475 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-17 20:34:52,480 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 20:34:52,482 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 20:34:52,482 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-17 20:34:52,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 20:34:52,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 20:34:52,500 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 20:34:52,501 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 20:34:52,501 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 20:34:52,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 20:34:52,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 20:34:52,502 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 20:34:52,502 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-17 20:34:52,502 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-17 20:34:52,502 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-17 20:34:52,502 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-17 20:34:52,502 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-17 20:34:52,502 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-17 20:34:52,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 20:34:52,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-17 20:34:52,502 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 20:34:52,502 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 20:34:52,502 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 20:34:52,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 20:34:52,502 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-17 20:34:52,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-17 20:34:52,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-17 20:34:52,503 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 20:34:52,503 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 20:34:52,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 20:34:52,503 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-17 20:34:52,503 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 20:34:52,503 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 20:34:52,503 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 20:34:52,503 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 20:34:52,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 20:34:52,503 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 20:34:52,503 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-17 20:34:52,503 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b [2025-03-17 20:34:52,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 20:34:52,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 20:34:52,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 20:34:52,719 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 20:34:52,719 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 20:34:52,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Addition03-1.c [2025-03-17 20:34:53,833 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66929a999/f5e1cc22a8e445448ab2f194e2c69fd4/FLAGa53c0efc7 [2025-03-17 20:34:54,041 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 20:34:54,042 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition03-1.c [2025-03-17 20:34:54,050 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66929a999/f5e1cc22a8e445448ab2f194e2c69fd4/FLAGa53c0efc7 [2025-03-17 20:34:54,396 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66929a999/f5e1cc22a8e445448ab2f194e2c69fd4 [2025-03-17 20:34:54,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 20:34:54,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 20:34:54,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 20:34:54,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 20:34:54,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 20:34:54,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:34:54" (1/1) ... [2025-03-17 20:34:54,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53141aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:34:54, skipping insertion in model container [2025-03-17 20:34:54,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:34:54" (1/1) ... [2025-03-17 20:34:54,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 20:34:54,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 20:34:54,537 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 20:34:54,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 20:34:54,560 INFO L204 MainTranslator]: Completed translation [2025-03-17 20:34:54,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:34:54 WrapperNode [2025-03-17 20:34:54,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 20:34:54,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 20:34:54,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 20:34:54,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 20:34:54,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:34:54" (1/1) ... [2025-03-17 20:34:54,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:34:54" (1/1) ... [2025-03-17 20:34:54,583 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2025-03-17 20:34:54,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 20:34:54,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 20:34:54,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 20:34:54,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 20:34:54,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:34:54" (1/1) ... [2025-03-17 20:34:54,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:34:54" (1/1) ... [2025-03-17 20:34:54,592 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:34:54" (1/1) ... [2025-03-17 20:34:54,601 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-17 20:34:54,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:34:54" (1/1) ... [2025-03-17 20:34:54,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:34:54" (1/1) ... [2025-03-17 20:34:54,606 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:34:54" (1/1) ... [2025-03-17 20:34:54,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:34:54" (1/1) ... [2025-03-17 20:34:54,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:34:54" (1/1) ... [2025-03-17 20:34:54,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:34:54" (1/1) ... [2025-03-17 20:34:54,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 20:34:54,610 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 20:34:54,610 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 20:34:54,610 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 20:34:54,611 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:34:54" (1/1) ... [2025-03-17 20:34:54,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:54,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:54,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:54,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-03-17 20:34:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 20:34:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 20:34:54,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 20:34:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 20:34:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2025-03-17 20:34:54,662 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2025-03-17 20:34:54,704 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 20:34:54,705 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 20:34:54,780 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L23: havoc #t~ret5; [2025-03-17 20:34:54,780 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L20: havoc #t~ret4; [2025-03-17 20:34:54,786 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-17 20:34:54,786 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 20:34:54,791 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 20:34:54,791 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 20:34:54,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:34:54 BoogieIcfgContainer [2025-03-17 20:34:54,791 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 20:34:54,792 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-17 20:34:54,792 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-17 20:34:54,796 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-17 20:34:54,796 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 20:34:54,796 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.03 08:34:54" (1/3) ... [2025-03-17 20:34:54,797 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a65d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.03 08:34:54, skipping insertion in model container [2025-03-17 20:34:54,797 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 20:34:54,797 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:34:54" (2/3) ... [2025-03-17 20:34:54,798 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a65d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.03 08:34:54, skipping insertion in model container [2025-03-17 20:34:54,798 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 20:34:54,798 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:34:54" (3/3) ... [2025-03-17 20:34:54,799 INFO L363 chiAutomizerObserver]: Analyzing ICFG Addition03-1.c [2025-03-17 20:34:54,834 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-17 20:34:54,834 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-17 20:34:54,835 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-17 20:34:54,835 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-17 20:34:54,835 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-17 20:34:54,835 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-17 20:34:54,835 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-17 20:34:54,835 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-17 20:34:54,838 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 20:34:54,849 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-03-17 20:34:54,849 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:34:54,850 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:34:54,853 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-17 20:34:54,853 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-03-17 20:34:54,853 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-17 20:34:54,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 20:34:54,854 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-03-17 20:34:54,854 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:34:54,854 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:34:54,854 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-17 20:34:54,854 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-03-17 20:34:54,858 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);"< [2025-03-17 20:34:54,858 INFO L754 eck$LassoCheckResult]: Loop: "~m := #in~m;~n := #in~n;" "assume !(0 == ~n);" "assume ~n > 0;" "call #t~ret4 := addition(1 + ~m, ~n - 1);"< [2025-03-17 20:34:54,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:34:54,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1169, now seen corresponding path program 1 times [2025-03-17 20:34:54,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:34:54,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205019120] [2025-03-17 20:34:54,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:34:54,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:34:54,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 20:34:54,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 20:34:54,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:54,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:34:54,918 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:34:54,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 20:34:54,922 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 20:34:54,922 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:54,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:34:54,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:34:54,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:34:54,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1538122, now seen corresponding path program 1 times [2025-03-17 20:34:54,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:34:54,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149617071] [2025-03-17 20:34:54,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:34:54,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:34:54,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 20:34:54,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 20:34:54,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:54,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:34:54,942 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:34:54,944 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 20:34:54,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 20:34:54,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:54,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:34:54,947 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:34:54,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:34:54,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1080210650, now seen corresponding path program 1 times [2025-03-17 20:34:54,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:34:54,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903675104] [2025-03-17 20:34:54,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:34:54,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:34:54,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 20:34:54,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 20:34:54,957 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:54,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:34:54,957 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:34:54,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 20:34:54,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 20:34:54,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:54,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:34:54,967 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:34:55,104 INFO L204 LassoAnalysis]: Preferences: [2025-03-17 20:34:55,105 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-17 20:34:55,105 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-17 20:34:55,106 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-17 20:34:55,106 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-17 20:34:55,106 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:55,106 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-17 20:34:55,106 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-17 20:34:55,108 INFO L132 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration1_Loop [2025-03-17 20:34:55,108 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-17 20:34:55,108 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-17 20:34:55,117 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,202 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-17 20:34:55,203 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-17 20:34:55,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:55,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:55,207 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:55,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-03-17 20:34:55,210 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 20:34:55,210 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 20:34:55,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-03-17 20:34:55,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:55,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:55,234 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:55,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-03-17 20:34:55,237 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-17 20:34:55,237 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 20:34:55,264 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 20:34:55,264 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0} Honda state: {addition_#in~m=0} Generalized eigenvectors: [{addition_#in~m=7}, {addition_#in~m=2}, {addition_#in~m=-8}] Lambdas: [1, 5, 1] Nus: [0, 1] [2025-03-17 20:34:55,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-03-17 20:34:55,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:55,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:55,272 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:55,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-03-17 20:34:55,274 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 20:34:55,274 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 20:34:55,286 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 20:34:55,286 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 20:34:55,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-03-17 20:34:55,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:55,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:55,295 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:55,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-03-17 20:34:55,296 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 20:34:55,296 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 20:34:55,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-03-17 20:34:55,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:55,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:55,315 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:55,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-03-17 20:34:55,318 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-17 20:34:55,318 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 20:34:55,352 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-17 20:34:55,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-03-17 20:34:55,356 INFO L204 LassoAnalysis]: Preferences: [2025-03-17 20:34:55,356 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-17 20:34:55,356 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-17 20:34:55,356 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-17 20:34:55,356 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-17 20:34:55,356 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:55,356 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-17 20:34:55,356 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-17 20:34:55,356 INFO L132 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration1_Loop [2025-03-17 20:34:55,357 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-17 20:34:55,357 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-17 20:34:55,357 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,366 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,368 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,407 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-17 20:34:55,410 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-17 20:34:55,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:55,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:55,413 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:55,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-03-17 20:34:55,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:34:55,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:34:55,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:34:55,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:34:55,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:34:55,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:34:55,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:34:55,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:34:55,432 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:34:55,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-03-17 20:34:55,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:55,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:55,442 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:55,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-03-17 20:34:55,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:34:55,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:34:55,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:34:55,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:34:55,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:34:55,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:34:55,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:34:55,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:34:55,459 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-17 20:34:55,461 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-03-17 20:34:55,463 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-03-17 20:34:55,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:55,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:55,466 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:55,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-03-17 20:34:55,468 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-17 20:34:55,468 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-03-17 20:34:55,468 INFO L474 LassoAnalysis]: Proved termination. [2025-03-17 20:34:55,469 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2025-03-17 20:34:55,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-03-17 20:34:55,476 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-03-17 20:34:55,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:34:55,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 20:34:55,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 20:34:55,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:55,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:34:55,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 20:34:55,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:34:55,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 20:34:55,534 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 20:34:55,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:55,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:34:55,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 20:34:55,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:34:55,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:34:55,590 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2025-03-17 20:34:55,592 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:34:55,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-03-17 20:34:55,679 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 65 transitions. Complement of second has 16 states. [2025-03-17 20:34:55,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2025-03-17 20:34:55,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:34:55,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2025-03-17 20:34:55,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. [2025-03-17 20:34:55,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:34:55,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 4 letters. [2025-03-17 20:34:55,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:34:55,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 8 letters. [2025-03-17 20:34:55,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:34:55,689 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 65 transitions. [2025-03-17 20:34:55,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-03-17 20:34:55,693 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 24 states and 27 transitions. [2025-03-17 20:34:55,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2025-03-17 20:34:55,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2025-03-17 20:34:55,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2025-03-17 20:34:55,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-17 20:34:55,694 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 27 transitions. [2025-03-17 20:34:55,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2025-03-17 20:34:55,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 15. [2025-03-17 20:34:55,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:34:55,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2025-03-17 20:34:55,708 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2025-03-17 20:34:55,708 INFO L432 stractBuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2025-03-17 20:34:55,708 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-17 20:34:55,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2025-03-17 20:34:55,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-03-17 20:34:55,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:34:55,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:34:55,709 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-03-17 20:34:55,709 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-03-17 20:34:55,709 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);"< "~m := #in~m;~n := #in~n;" "assume !(0 == ~n);" "assume !(~n > 0);" [2025-03-17 20:34:55,709 INFO L754 eck$LassoCheckResult]: Loop: "assume ~n < 0;" "call #t~ret5 := addition(~m - 1, 1 + ~n);"< "~m := #in~m;~n := #in~n;" "assume !(0 == ~n);" "assume !(~n > 0);" [2025-03-17 20:34:55,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:34:55,709 INFO L85 PathProgramCache]: Analyzing trace with hash 34845505, now seen corresponding path program 1 times [2025-03-17 20:34:55,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:34:55,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188249261] [2025-03-17 20:34:55,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:34:55,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:34:55,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 20:34:55,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 20:34:55,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:55,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:34:55,714 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:34:55,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 20:34:55,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 20:34:55,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:55,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:34:55,718 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:34:55,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:34:55,719 INFO L85 PathProgramCache]: Analyzing trace with hash 39522692, now seen corresponding path program 1 times [2025-03-17 20:34:55,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:34:55,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586375233] [2025-03-17 20:34:55,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:34:55,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:34:55,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 20:34:55,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 20:34:55,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:55,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:34:55,723 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:34:55,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 20:34:55,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 20:34:55,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:55,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:34:55,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:34:55,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:34:55,726 INFO L85 PathProgramCache]: Analyzing trace with hash 886400580, now seen corresponding path program 1 times [2025-03-17 20:34:55,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:34:55,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826418577] [2025-03-17 20:34:55,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:34:55,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:34:55,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-17 20:34:55,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-17 20:34:55,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:55,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:34:55,733 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:34:55,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-17 20:34:55,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-17 20:34:55,738 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:55,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:34:55,740 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:34:55,833 INFO L204 LassoAnalysis]: Preferences: [2025-03-17 20:34:55,833 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-17 20:34:55,833 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-17 20:34:55,833 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-17 20:34:55,833 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-17 20:34:55,833 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:55,833 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-17 20:34:55,833 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-17 20:34:55,833 INFO L132 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration2_Loop [2025-03-17 20:34:55,833 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-17 20:34:55,833 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-17 20:34:55,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:55,894 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-17 20:34:55,894 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-17 20:34:55,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:55,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:55,898 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:55,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-03-17 20:34:55,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 20:34:55,900 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 20:34:55,911 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 20:34:55,911 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 20:34:55,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2025-03-17 20:34:55,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:55,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:55,951 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:55,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-03-17 20:34:55,954 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 20:34:55,954 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 20:34:55,965 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 20:34:55,965 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret5=0} Honda state: {addition_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 20:34:55,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-03-17 20:34:55,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:55,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:55,974 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:55,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-03-17 20:34:55,975 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 20:34:55,975 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 20:34:56,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-03-17 20:34:56,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:56,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:56,002 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:56,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-03-17 20:34:56,004 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-17 20:34:56,004 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 20:34:56,122 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 20:34:56,122 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-3, addition_~m=0} Honda state: {addition_#in~m=-3, addition_~m=0} Generalized eigenvectors: [{addition_#in~m=4, addition_~m=1}, {addition_#in~m=-11, addition_~m=-2}, {addition_#in~m=9, addition_~m=0}] Lambdas: [3, 1, 0] Nus: [1, 1] [2025-03-17 20:34:56,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-03-17 20:34:56,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:56,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:56,129 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:56,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-03-17 20:34:56,130 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 20:34:56,130 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 20:34:56,141 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 20:34:56,141 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 20:34:56,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-03-17 20:34:56,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:56,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:56,150 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:56,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-03-17 20:34:56,152 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 20:34:56,152 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 20:34:56,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-03-17 20:34:56,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:56,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:56,178 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:56,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-03-17 20:34:56,180 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-17 20:34:56,180 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 20:34:56,316 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-17 20:34:56,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-03-17 20:34:56,323 INFO L204 LassoAnalysis]: Preferences: [2025-03-17 20:34:56,323 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-17 20:34:56,323 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-17 20:34:56,323 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-17 20:34:56,323 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-17 20:34:56,323 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:56,323 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-17 20:34:56,323 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-17 20:34:56,323 INFO L132 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration2_Loop [2025-03-17 20:34:56,323 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-17 20:34:56,323 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-17 20:34:56,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:56,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:56,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:56,329 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:56,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:56,381 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-17 20:34:56,381 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-17 20:34:56,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:56,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:56,384 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:56,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-03-17 20:34:56,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:34:56,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:34:56,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:34:56,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:34:56,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:34:56,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:34:56,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:34:56,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:34:56,403 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:34:56,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-03-17 20:34:56,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:56,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:56,412 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:56,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-03-17 20:34:56,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:34:56,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:34:56,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:34:56,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:34:56,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:34:56,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:34:56,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:34:56,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:34:56,426 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:34:56,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-03-17 20:34:56,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:56,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:56,434 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:56,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-03-17 20:34:56,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:34:56,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:34:56,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:34:56,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:34:56,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:34:56,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:34:56,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:34:56,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:34:56,450 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:34:56,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-03-17 20:34:56,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:56,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:56,458 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:56,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-03-17 20:34:56,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:34:56,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:34:56,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:34:56,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:34:56,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:34:56,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:34:56,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:34:56,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:34:56,477 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:34:56,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2025-03-17 20:34:56,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:56,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:56,485 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:56,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-03-17 20:34:56,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:34:56,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:34:56,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:34:56,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:34:56,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:34:56,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:34:56,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:34:56,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:34:56,501 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-17 20:34:56,503 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2025-03-17 20:34:56,503 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-03-17 20:34:56,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:56,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:56,505 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:56,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-03-17 20:34:56,507 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-17 20:34:56,507 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-03-17 20:34:56,507 INFO L474 LassoAnalysis]: Proved termination. [2025-03-17 20:34:56,507 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2025-03-17 20:34:56,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2025-03-17 20:34:56,514 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-03-17 20:34:56,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:34:56,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 20:34:56,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 20:34:56,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:56,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:34:56,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 20:34:56,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:34:56,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 20:34:56,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 20:34:56,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:56,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:34:56,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 20:34:56,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:34:56,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:34:56,616 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2025-03-17 20:34:56,616 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:34:56,650 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 34 transitions. Complement of second has 13 states. [2025-03-17 20:34:56,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2025-03-17 20:34:56,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:34:56,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2025-03-17 20:34:56,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 5 letters. Loop has 5 letters. [2025-03-17 20:34:56,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:34:56,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 5 letters. [2025-03-17 20:34:56,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:34:56,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 5 letters. Loop has 10 letters. [2025-03-17 20:34:56,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:34:56,653 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2025-03-17 20:34:56,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-03-17 20:34:56,655 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 24 states and 28 transitions. [2025-03-17 20:34:56,655 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2025-03-17 20:34:56,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2025-03-17 20:34:56,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions. [2025-03-17 20:34:56,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-17 20:34:56,655 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 28 transitions. [2025-03-17 20:34:56,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions. [2025-03-17 20:34:56,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2025-03-17 20:34:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 17 states have internal predecessors, (21), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:34:56,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2025-03-17 20:34:56,659 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 26 transitions. [2025-03-17 20:34:56,659 INFO L432 stractBuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2025-03-17 20:34:56,659 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-17 20:34:56,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 26 transitions. [2025-03-17 20:34:56,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-03-17 20:34:56,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 20:34:56,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 20:34:56,661 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2025-03-17 20:34:56,661 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-03-17 20:34:56,661 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);"< "~m := #in~m;~n := #in~n;" "assume !(0 == ~n);" "assume !(~n > 0);" "assume ~n < 0;" "call #t~ret5 := addition(~m - 1, 1 + ~n);"< "~m := #in~m;~n := #in~n;" "assume !(0 == ~n);" "assume ~n > 0;" [2025-03-17 20:34:56,661 INFO L754 eck$LassoCheckResult]: Loop: "call #t~ret4 := addition(1 + ~m, ~n - 1);"< "~m := #in~m;~n := #in~n;" "assume !(0 == ~n);" "assume ~n > 0;" [2025-03-17 20:34:56,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:34:56,661 INFO L85 PathProgramCache]: Analyzing trace with hash 886400579, now seen corresponding path program 1 times [2025-03-17 20:34:56,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:34:56,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706267203] [2025-03-17 20:34:56,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 20:34:56,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:34:56,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-17 20:34:56,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-17 20:34:56,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:56,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:34:56,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:34:56,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 20:34:56,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706267203] [2025-03-17 20:34:56,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706267203] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 20:34:56,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 20:34:56,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 20:34:56,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171860554] [2025-03-17 20:34:56,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 20:34:56,750 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-03-17 20:34:56,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:34:56,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1717912, now seen corresponding path program 2 times [2025-03-17 20:34:56,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 20:34:56,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244032249] [2025-03-17 20:34:56,750 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 20:34:56,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 20:34:56,752 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 4 statements into 1 equivalence classes. [2025-03-17 20:34:56,754 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 20:34:56,754 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 20:34:56,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:34:56,754 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 20:34:56,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 20:34:56,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 20:34:56,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:56,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 20:34:56,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 20:34:56,829 INFO L204 LassoAnalysis]: Preferences: [2025-03-17 20:34:56,829 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-17 20:34:56,829 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-17 20:34:56,829 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-17 20:34:56,829 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-17 20:34:56,829 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:56,829 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-17 20:34:56,829 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-17 20:34:56,829 INFO L132 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration3_Loop [2025-03-17 20:34:56,829 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-17 20:34:56,829 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-17 20:34:56,830 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:56,835 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:56,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:56,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:56,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:56,878 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-17 20:34:56,878 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-17 20:34:56,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:56,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:56,880 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:56,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-03-17 20:34:56,881 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 20:34:56,882 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 20:34:56,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2025-03-17 20:34:56,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:56,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:56,909 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:56,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-03-17 20:34:56,911 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-17 20:34:56,911 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 20:34:57,057 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-03-17 20:34:57,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2025-03-17 20:34:57,064 INFO L204 LassoAnalysis]: Preferences: [2025-03-17 20:34:57,064 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-17 20:34:57,064 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-17 20:34:57,064 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-17 20:34:57,064 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-03-17 20:34:57,064 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:57,064 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-17 20:34:57,064 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-17 20:34:57,064 INFO L132 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration3_Loop [2025-03-17 20:34:57,064 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-17 20:34:57,064 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-17 20:34:57,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:57,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2025-03-17 20:34:57,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:57,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:57,095 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:57,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 20:34:57,137 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-17 20:34:57,137 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-03-17 20:34:57,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:57,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:57,139 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:57,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-03-17 20:34:57,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:34:57,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:34:57,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:34:57,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:34:57,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:34:57,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:34:57,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:34:57,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:34:57,153 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:34:57,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2025-03-17 20:34:57,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:57,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:57,160 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:57,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-03-17 20:34:57,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:34:57,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:34:57,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:34:57,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:34:57,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:34:57,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:34:57,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:34:57,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:34:57,174 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:34:57,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2025-03-17 20:34:57,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:57,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:57,181 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:57,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-03-17 20:34:57,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:34:57,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:34:57,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:34:57,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:34:57,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:34:57,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:34:57,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:34:57,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:34:57,195 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:34:57,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2025-03-17 20:34:57,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:57,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:57,202 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:57,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-03-17 20:34:57,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:34:57,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:34:57,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:34:57,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:34:57,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:34:57,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:34:57,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:34:57,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:34:57,217 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-03-17 20:34:57,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2025-03-17 20:34:57,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:57,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:57,225 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:57,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-03-17 20:34:57,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-03-17 20:34:57,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-03-17 20:34:57,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-03-17 20:34:57,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-03-17 20:34:57,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-03-17 20:34:57,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-03-17 20:34:57,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-03-17 20:34:57,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-03-17 20:34:57,239 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-03-17 20:34:57,241 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-03-17 20:34:57,241 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-03-17 20:34:57,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 20:34:57,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 20:34:57,243 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 20:34:57,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-03-17 20:34:57,244 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-03-17 20:34:57,244 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-03-17 20:34:57,244 INFO L474 LassoAnalysis]: Proved termination. [2025-03-17 20:34:57,244 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = 1*addition_~n Supporting invariants [] [2025-03-17 20:34:57,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2025-03-17 20:34:57,250 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-03-17 20:34:57,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 20:34:57,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-17 20:34:57,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-17 20:34:57,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:57,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:34:57,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 20:34:57,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:34:57,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 20:34:57,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 20:34:57,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 20:34:57,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 20:34:57,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 20:34:57,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 20:34:57,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 20:34:57,336 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2025-03-17 20:34:57,336 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 26 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:34:57,367 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 26 transitions. cyclomatic complexity: 7. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 62 transitions. Complement of second has 9 states. [2025-03-17 20:34:57,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-03-17 20:34:57,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:34:57,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2025-03-17 20:34:57,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 10 letters. Loop has 4 letters. [2025-03-17 20:34:57,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:34:57,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 14 letters. Loop has 4 letters. [2025-03-17 20:34:57,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:34:57,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 10 letters. Loop has 8 letters. [2025-03-17 20:34:57,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-03-17 20:34:57,370 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 62 transitions. [2025-03-17 20:34:57,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2025-03-17 20:34:57,373 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 46 states and 54 transitions. [2025-03-17 20:34:57,373 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2025-03-17 20:34:57,374 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2025-03-17 20:34:57,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 54 transitions. [2025-03-17 20:34:57,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-03-17 20:34:57,374 INFO L218 hiAutomatonCegarLoop]: Abstraction has 46 states and 54 transitions. [2025-03-17 20:34:57,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 54 transitions. [2025-03-17 20:34:57,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 40. [2025-03-17 20:34:57,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 32 states have (on average 1.125) internal successors, (36), 31 states have internal predecessors, (36), 8 states have call successors, (11), 8 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:34:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2025-03-17 20:34:57,376 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 47 transitions. [2025-03-17 20:34:57,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 20:34:57,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 20:34:57,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 20:34:57,377 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 20:34:57,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 20:34:57,408 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2025-03-17 20:34:57,408 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 30 transitions. [2025-03-17 20:34:57,409 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-17 20:34:57,409 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2025-03-17 20:34:57,409 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-03-17 20:34:57,409 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-03-17 20:34:57,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-03-17 20:34:57,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-17 20:34:57,409 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 20:34:57,409 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 20:34:57,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 20:34:57,411 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 20:34:57,411 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-03-17 20:34:57,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-03-17 20:34:57,411 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-03-17 20:34:57,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-03-17 20:34:57,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.03 08:34:57 BoogieIcfgContainer [2025-03-17 20:34:57,417 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-17 20:34:57,417 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 20:34:57,417 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 20:34:57,418 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 20:34:57,418 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:34:54" (3/4) ... [2025-03-17 20:34:57,419 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-17 20:34:57,420 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 20:34:57,420 INFO L158 Benchmark]: Toolchain (without parser) took 3021.04ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 86.5MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2025-03-17 20:34:57,420 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 20:34:57,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.03ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 94.8MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 20:34:57,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.23ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 93.8MB in the end (delta: 980.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 20:34:57,421 INFO L158 Benchmark]: Boogie Preprocessor took 23.57ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 93.4MB in the end (delta: 424.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 20:34:57,421 INFO L158 Benchmark]: IcfgBuilder took 181.94ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 82.1MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 20:34:57,421 INFO L158 Benchmark]: BuchiAutomizer took 2624.99ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 86.6MB in the end (delta: -4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 20:34:57,421 INFO L158 Benchmark]: Witness Printer took 2.29ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 86.5MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 20:34:57,422 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.03ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 94.8MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.23ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 93.8MB in the end (delta: 980.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.57ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 93.4MB in the end (delta: 424.4kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 181.94ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 82.1MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2624.99ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 86.6MB in the end (delta: -4.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.29ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 86.5MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 5 locations. One deterministic module has affine ranking function ((__int128) -1 * n) and consists of 5 locations. One deterministic module has affine ranking function n and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 33 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf92 smp89 dnf100 smp100 tf110 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-03-17 20:34:57,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2025-03-17 20:34:57,632 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE